HELP!!! Suddenly PT9 Wont start "Your audio device is configured..."

[betovn]

Running PT9 for two months with no problems.
Suddenly last night

I try to open PT9 but when load bar reaches "reading preferences" I then receive the popup "Your audio device is configure with an unsupported audio buffer size. Please select one of the following supported buffer sizes in the device control panel: 32:64; 128; 256; 512;1024;2048". Why suddenly do I get this message? Newbee on PT.

Never had this problem before. Running Tascam US-1641 USB 2.0 Audio/MIDI Interface. Cannot find any buffer slider on control panel they suggest. Looked everywhere? I have a musician coming in two hours and must be up by then...
SOMEBODY HELP ME OUT OF THIS SURPRISE NIGHTMARE!!!!
Thanks...
Drew

System Info:
Audio/midi Interface:
Tascam US-1641 10inout USB 2.0
Mic Preamp
Presonus – mic tube dual preamp
Mic
Marshal MXL Condensor Mic

Computer
HP Pavilion
AMD Athlon II X4 620 Quad Core Processor
Memory – 6gb DDR2-SDRAM (PC2-6400 / 800 MHz)
L1 Instruction Cache 4 x 64.00 kB L1 Data Cache 4 x 64.00 kB
L2 Cache 4 x 512.00 kB
600gb Western Digital internal Hard drive
Current Speed 2.60 GHz
Multiplier x 13.0 (4.0 - 13.0)

External Hard Drive
Seagate External Hard drive USB 1tb
Korg M-3 73 key kybd/midi controller
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[TOM@METRO]

Try resetting the buffer size in Pro Tools and restarting the program.

[betovn]

OK, Sweetwater tech support helped bigtime. Here is what was done. Two possibilities to fix the buffer issue. Hope this helps others with the same dilemma. peace

Ilok issue.
Start -> Msconfig -> Services tab, and enable the PACE service.
Tascam Buffer:
Start -> Control Panel -> Tascam 1641 -> Change to low latency

Pro Tools Prefrences:
Start -> Computer -> C: -> Program Files X86 -> Common Files -> Digidesign -> DAE ->
Right click on the DAE Prefs folder and Delete.
Start -> Computer -> C: -> Users -> Your User Name -> AppData -> Roaming -> Digidesign
Delete the contents of the Digidesign folder.

[MikeLip]

Thanks for sharing :)
'grats
Mike.